Bernard Leach (1887-1979)

For a similar example in the collection of Janet Leach see Carol Hogben (ed.), The Art of Bernard Leach, (London, 1978), P.120 and Sadahiro Suzuki, Bernard Leach no Shogai to Geijutsu [Bernard Leach's Life and Art], (Kyoto, 2006), p.281, no.11-18.